//using for with a string
#include<iostream>
#include<string>
int main()
{
    using namespace std;
    cout << "Enter a word : ";
    string word;
    cin >> word;

    //display letters in reverse order
    for(int i = word.size() - 1;i >= 0;i--)
        cout << word[i];
    cout << "\nBye.\n";
    return 0;
}
